CSS Overflow

Overflow occurs when the content within a box exceeds the dimensions defined by its container. This can lead to a variety of issues, such as content being cut off, extending beyond its container, or causing unintended layout problems. CSS provides several properties to control how overflow is handled, allowing developers to tailor the user experience.

In the below PDF we discuss about  CSS Overflow in detail in simple language, Hope this will help in better understanding.


The Basics of Overflow:

Overflow occurs when the content within an element surpasses the dimensions specified for that element. This can happen in various scenarios, such as when dealing with text, images, or nested elements. Understanding how to handle overflow is essential for creating designs that adapt to different screen sizes and resolutions.

Overflow Property:
The overflow property in CSS is the key player when it comes to managing overflow. It has several values that define how content should behave when it overflows its container:

  • visible: Content overflows the box but remains visible outside its boundaries.
  • hidden: Content is clipped and not visible outside the box.
  • scroll: A scrollbar is added to the box, allowing users to scroll to see the hidden content.
  • auto: Similar to scroll, a scrollbar is added only when the content overflows

Use of Overflow:

1.  Dealing with Overflow in Text:
When dealing with text, overflow can occur if the content is too long for the designated space. Truncating text or breaking it into multiple lines can be achieved using the text-overflow property.

white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;

This example prevents text from wrapping, hides overflow, and adds an ellipsis (…) to indicate truncated text.

2. Overflow in Flexbox and Grid Layouts:
Flexbox and Grid layouts offer powerful tools for creating responsive designs. However, they come with their own overflow scenarios. Using the overflow property along with flex and grid properties can help manage overflow within these layouts.

.container {
display: flex;
overflow: hidden; /* or scroll, auto, etc. */

Related Question

CSS Overflow is a property that controls what happens to content that overflows the box in which it is placed. It specifies how the content should behave when it exceeds the dimensions of its containing element.

When set to overflow: auto, the browser will automatically add a scrollbar to the element if its content overflows the specified dimensions. If there is no overflow, no scrollbar will be visible. This is a convenient way to provide a scrollbar only when necessary.

Yes, the overflow property can be applied to both block-level and inline elements. It is not restricted to a specific type of element, allowing you to control overflow behavior for various types of content containers.

The text-align property in CSS tables is used to horizontally align the content of table cells. It can be applied to the th and td elements.


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